Question

For the water balloon fight, your mom filled up one hundred balloons with 5 gallons of water. How many ounces of water did she use?*There are 128 oz in a gallon*

Answer 1

we have the next equivalence

1 gallon - 128 oz

5 gallon - x

(5 gallon times 128 onz )/ 1 gallon = 640 onz